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Microsoft Windows 10 21H2 vulnerabilities

3,565 known vulnerabilities affecting microsoft/windows_10_21h2.

Total CVEs
3,565
CISA KEV
91
actively exploited
Public exploits
55
Exploited in wild
102
Severity breakdown
CRITICAL117HIGH2569MEDIUM870LOW9

Vulnerabilities

Page 60 of 179
CVE-2026-69576P3HIGHCVSS 7.8fixed in 10.0.19044.77252026-09-08
CVE-2026-69576 [HIGH] CWE-416 CVE-2026-69576: Use after free in Graphic Fonts allows an authorized attacker to elevate privileges locally. Use after free in Graphic Fonts allows an authorized attacker to elevate privileges locally.
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CVE-2026-69571P3HIGHCVSS 7.8fixed in 10.0.19044.77252026-09-08
CVE-2026-69571 [HIGH] CWE-122 CVE-2026-69571: Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized att Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
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CVE-2026-65775P3HIGHCVSS 7.8fixed in 10.0.19044.76632026-08-11
CVE-2026-65775 [HIGH] CWE-416 CVE-2026-65775: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
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CVE-2026-62707P3HIGHCVSS 7.8fixed in 10.0.19044.76632026-08-11
CVE-2026-62707 [HIGH] CWE-416 CVE-2026-62707: Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate pr Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
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CVE-2026-62711P3HIGHCVSS 7.8fixed in 10.0.19044.76632026-08-11
CVE-2026-62711 [HIGH] CWE-416 CVE-2026-62711: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
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CVE-2026-54114P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-54114 [HIGH] CWE-416 CVE-2026-54114: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
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CVE-2026-50478P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-50478 [HIGH] CWE-416 CVE-2026-50478: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-50326P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-50326 [HIGH] CWE-416 CVE-2026-50326: Use after free in Windows Unified Consent System allows an authorized attacker to elevate privileges Use after free in Windows Unified Consent System allows an authorized attacker to elevate privileges locally.
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CVE-2026-50329P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-50329 [HIGH] CWE-416 CVE-2026-50329: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-58632P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-58632 [HIGH] CWE-416 CVE-2026-58632: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
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CVE-2026-50306P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-50306 [HIGH] CWE-190 CVE-2026-50306: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally. Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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CVE-2026-56643P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-56643 [HIGH] CWE-416 CVE-2026-56643: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-56644P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-56644 [HIGH] CWE-416 CVE-2026-56644: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-40399P3HIGHCVSS 7.8fixed in 10.0.19044.72912026-05-12
CVE-2026-40399 [HIGH] CWE-121 CVE-2026-40399: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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CVE-2026-34343P3HIGHCVSS 7.8fixed in 10.0.19044.72912026-05-12
CVE-2026-34343 [HIGH] CWE-122 CVE-2026-34343: Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized at Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-58635P3HIGHCVSS 7.8fixed in 10.0.19044.75482026-07-14
CVE-2026-58635 [HIGH] CWE-77 CVE-2026-58635: Improper neutralization of special elements used in a command ('command injection') in Windows Narra Improper neutralization of special elements used in a command ('command injection') in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.
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CVE-2026-96308P3HIGHCVSS 7.8fixed in 10.0.19044.78072026-10-13
CVE-2026-96308 [HIGH] CWE-416 CVE-2026-96308: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally. Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
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CVE-2026-84013P3HIGHCVSS 7.8fixed in 10.0.19044.78072026-10-13
CVE-2026-84013 [HIGH] CWE-416 CVE-2026-84013: Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges local Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges locally.
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CVE-2026-96309P3HIGHCVSS 7.8fixed in 10.0.19044.78072026-10-13
CVE-2026-96309 [HIGH] CWE-416 CVE-2026-96309: Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges lo Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
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CVE-2026-87700P3HIGHCVSS 7.8fixed in 10.0.19044.78072026-10-13
CVE-2026-87700 [HIGH] CWE-416 CVE-2026-87700: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally. Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 10 21H2 vulnerabilities | cvebase